import { login, logout, getInfo } from '@/api/user'
import {
  getToken,
  setToken,
  removeToken,
  getRoles,
  setRoles,
  removeRoles
} from '@/utils/auth'
import router, { resetRouter } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: localStorage.getItem('name'),
    avatar: '',
    introduction: '',
    roles: getRoles()
  }
}

const state = getDefaultState()

const mutations = {
  // RESET_STATE: (state) => {
  //   Object.assign(state, getDefaultState())
  // },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_INTRODUCTION: (state, introduction) => {
    state.introduction = introduction
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, role_key) => {
    const roles = []
    roles.push(role_key)
    state.roles = roles
  },
  REMOVE_ROLES: (state) => {
    state.roles = []
  }
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password })
        .then((response) => {
          const { result } = response
          commit('SET_TOKEN', result.token)
          commit('SET_NAME', result.nickname)
          commit('SET_ROLES', result.role_key)
          localStorage.setItem('name', result.nickname)
          setToken(result.token)
          setRoles(result.role_key)
          resolve()
        })
        .catch((error) => {
          console.log(error)
          reject(error)
        })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      // getInfo(state.token)
      //   .then((response) => {
      //     const { data } = response
      //     if (!data) {
      //       return reject('Verification failed, please Login again.')
      //     }
      //     const { name, avatar } = data
      //     commit('SET_NAME', name)
      //     commit('SET_AVATAR', avatar)
      //     resolve(data)
      //   })
      //   .catch((error) => {
      //     reject(error)
      //   })
    })
  },

  // user logout
  logout({ commit, state, dispatch }) {
    commit('SET_TOKEN', '')
    commit('REMOVE_ROLES')
    removeToken()
    removeRoles()
    resetRouter()

    // reset visited views and cached views
    // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
    // dispatch('tagsView/delAllViews', null, { root: true })
    // return new Promise((resolve, reject) => {
    //   logout(state.token)
    //     .then(() => {
    //       commit('SET_TOKEN', '')
    //       commit('REMOVE_ROLES')
    //       removeToken()
    //       removeRoles()
    //       resetRouter()
    //       // reset visited views and cached views
    //       // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
    //       dispatch('tagsView/delAllViews', null, { root: true })
    //       resolve()
    //     })
    //     .catch((error) => {
    //       reject(error)
    //     })
    // })
  },

  // remove token
  // remove token
  resetToken({ commit }) {
    return new Promise((resolve) => {
      commit('SET_TOKEN', '')
      commit('RESET_ROLES')
      removeToken()
      resolve()
    })
  },

  // dynamically modify permissions
  async changeRoles({ commit, dispatch }, role) {
    const token = role + '-token'

    commit('SET_TOKEN', token)
    setToken(token)

    const { roles } = await dispatch('getInfo')

    resetRouter()

    // generate accessible routes map based on roles
    const accessRoutes = await dispatch('permission/generateRoutes', roles, {
      root: true
    })
    // dynamically add accessible routes
    router.addRoutes(accessRoutes)

    // reset visited views and cached views
    dispatch('tagsView/delAllViews', null, { root: true })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
